2021982352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9721069}}^1$

素因数の和:9721090

約数の個数: 20

約数和(自身を含む): 4218944380

約数和(自身を除く): 2196962028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9721069, 19442138, 38884276, 77768552, 126373897, 155537104, 252747794, 505495588, 1010991176, 2021982352]

約数ペア:

[(1, 2021982352), (2, 1010991176), (4, 505495588), (8, 252747794), (13, 155537104), (16, 126373897), (26, 77768552), (52, 38884276), (104, 19442138), (208, 9721069)]